Air Pollution Is Greatest Challenge

 Last Hundred Years on the earth

The global surface temperature has been measured since 1880 at a network of ground-based and ocean-based sites. Over the last century, the average surface temperature of the Earth has increased by about 1.0o F. The eleven warmest years this century have all occurred since 1980, with 1995 the warmest on record. The higher latitudes have warmed more than the equatorial regions. Air pollution: one of the greatest health challenges of our time As the UK government chooses World Environment Day to announce plans for a third, polluting runway at Heathrow Airport, and new reports point to air quality worsening internationally, May van Schalkwyk and Emer O’Connell look at the global public health crisis of air pollution, and the key steps needed to tackle it. Article from SGR Newsletter no.46; published online with an update: 5 June 2018